DE3025772C2 - - Google Patents
Info
- Publication number
- DE3025772C2 DE3025772C2 DE19803025772 DE3025772A DE3025772C2 DE 3025772 C2 DE3025772 C2 DE 3025772C2 DE 19803025772 DE19803025772 DE 19803025772 DE 3025772 A DE3025772 A DE 3025772A DE 3025772 C2 DE3025772 C2 DE 3025772C2
- Authority
- DE
- Germany
- Prior art keywords
- glass tube
- gas
- pressure
- glass
- steam mixture
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired
Links
- 239000011521 glass Substances 0.000 claims description 44
- 239000000203 mixture Substances 0.000 claims description 13
- 238000000034 method Methods 0.000 claims description 12
- 238000004519 manufacturing process Methods 0.000 claims description 5
- 239000013307 optical fiber Substances 0.000 claims description 5
- 238000000576 coating method Methods 0.000 claims description 4
- 239000011248 coating agent Substances 0.000 claims description 3
- 230000001105 regulatory effect Effects 0.000 claims 2
- 238000000926 separation method Methods 0.000 claims 1
- 230000003287 optical effect Effects 0.000 description 4
- 239000000835 fiber Substances 0.000 description 3
- 238000000151 deposition Methods 0.000 description 2
- 230000008021 deposition Effects 0.000 description 2
- 239000003365 glass fiber Substances 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 239000005304 optical glass Substances 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 239000003638 chemical reducing agent Substances 0.000 description 1
- 238000005229 chemical vapour deposition Methods 0.000 description 1
- 238000005253 cladding Methods 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000011156 evaluation Methods 0.000 description 1
- 239000011152 fibreglass Substances 0.000 description 1
- 238000003197 gene knockdown Methods 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 210000002381 plasma Anatomy 0.000 description 1
- 238000001556 precipitation Methods 0.000 description 1
- 230000002028 premature Effects 0.000 description 1
- 108090000623 proteins and genes Proteins 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 239000012808 vapor phase Substances 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C03—GLASS; MINERAL OR SLAG WOOL
- C03B—MANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES
- C03B37/00—Manufacture or treatment of flakes, fibres, or filaments from softened glass, minerals, or slags
- C03B37/01—Manufacture of glass fibres or filaments
- C03B37/012—Manufacture of preforms for drawing fibres or filaments
- C03B37/014—Manufacture of preforms for drawing fibres or filaments made entirely or partially by chemical means, e.g. vapour phase deposition of bulk porous glass either by outside vapour deposition [OVD], or by outside vapour phase oxidation [OVPO] or by vapour axial deposition [VAD]
- C03B37/018—Manufacture of preforms for drawing fibres or filaments made entirely or partially by chemical means, e.g. vapour phase deposition of bulk porous glass either by outside vapour deposition [OVD], or by outside vapour phase oxidation [OVPO] or by vapour axial deposition [VAD] by glass deposition on a glass substrate, e.g. by inside-, modified-, plasma-, or plasma modified- chemical vapour deposition [ICVD, MCVD, PCVD, PMCVD], i.e. by thin layer coating on the inside or outside of a glass tube or on a glass rod
- C03B37/01861—Means for changing or stabilising the diameter or form of tubes or rods
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Manufacturing & Machinery (AREA)
- Materials Engineering (AREA)
- Organic Chemistry (AREA)
- Manufacture, Treatment Of Glass Fibers (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE19803025772 DE3025772A1 (de) | 1980-07-08 | 1980-07-08 | Verfahren zur herstellung optischer glasfasern |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE19803025772 DE3025772A1 (de) | 1980-07-08 | 1980-07-08 | Verfahren zur herstellung optischer glasfasern |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| DE3025772A1 DE3025772A1 (de) | 1982-01-28 |
| DE3025772C2 true DE3025772C2 (enrdf_load_stackoverflow) | 1989-11-09 |
Family
ID=6106646
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DE19803025772 Granted DE3025772A1 (de) | 1980-07-08 | 1980-07-08 | Verfahren zur herstellung optischer glasfasern |
Country Status (1)
| Country | Link |
|---|---|
| DE (1) | DE3025772A1 (enrdf_load_stackoverflow) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| IT1155119B (it) * | 1982-03-05 | 1987-01-21 | Cselt Centro Studi Lab Telecom | Procedimento e dispositivo per la produzione di preforme per fibre ottiche |
| DE3324539A1 (de) * | 1983-07-07 | 1985-01-17 | Siemens AG, 1000 Berlin und 8000 München | Verfahren zur herstellung von glas durch abscheidung aus der gasphase |
| DE3733880A1 (de) * | 1987-10-07 | 1989-04-20 | Schott Glaswerke | Verfahren zur herstellung eines lichtwellenleiters |
| DE3830624A1 (de) * | 1988-09-09 | 1990-03-08 | Schott Glaswerke | Verfahren zur herstellung von dickkernigen lichtwellenleitern durch innenbeschichtung |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4145456A (en) * | 1974-09-14 | 1979-03-20 | Dieter Kuppers | Method of producing internally coated glass tubes for the drawing of fibre optic light conductors |
| DE2642949C3 (de) * | 1976-09-24 | 1980-11-20 | Philips Patentverwaltung Gmbh, 2000 Hamburg | Verfahren zur Herstellung von innenbeschichteten Glasrohren zum Ziehen von Lichtleitfasern |
| JPS5395649A (en) * | 1977-02-02 | 1978-08-22 | Hitachi Ltd | Production of optical fiber |
-
1980
- 1980-07-08 DE DE19803025772 patent/DE3025772A1/de active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| DE3025772A1 (de) | 1982-01-28 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| 8110 | Request for examination paragraph 44 | ||
| D2 | Grant after examination | ||
| 8364 | No opposition during term of opposition | ||
| 8339 | Ceased/non-payment of the annual fee |